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DecoderAPI: pass rvalue reference to decoder_tag()

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Avoid duplicating the tag.
This commit is contained in:
Max Kellermann 2013-07-31 00:34:22 +02:00
parent 06f898cc12
commit cbd38327e7
9 changed files with 13 additions and 14 deletions
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7
src/DecoderAPI.cxx
View File

@ -471,19 +471,18 @@ decoder_data(struct decoder *decoder,
enum decoder_command
decoder_tag(G_GNUC_UNUSED struct decoder *decoder, struct input_stream *is,
const Tag *tag)
Tag &&tag)
{
G_GNUC_UNUSED const struct decoder_control *dc = decoder->dc;
enum decoder_command cmd;
assert(dc->state == DECODE_STATE_DECODE);
assert(dc->pipe != NULL);
assert(tag != NULL);
/* save the tag */
delete decoder->decoder_tag;
decoder->decoder_tag = new Tag(*tag);
decoder->decoder_tag = new Tag(tag);
/* check for a new stream tag */
@ -509,7 +508,7 @@ decoder_tag(G_GNUC_UNUSED struct decoder *decoder, struct input_stream *is,
delete merged;
} else
/* send only the decoder tag */
cmd = do_send_tag(decoder, *tag);
cmd = do_send_tag(decoder, *decoder->decoder_tag);
return cmd;
}

3
src/DecoderAPI.hxx
View File

@ -141,8 +141,7 @@ decoder_data(struct decoder *decoder, struct input_stream *is,
* command pending
*/
enum decoder_command
decoder_tag(struct decoder *decoder, struct input_stream *is,
const Tag *tag);
decoder_tag(struct decoder *decoder, struct input_stream *is, Tag &&tag);
/**
* Set replay gain values for the following chunks.

2
src/decoder/FlacDecoderPlugin.cxx
View File

@ -174,7 +174,7 @@ flac_decoder_loop(struct flac_data *data, FLAC__StreamDecoder *flac_dec,
while (true) {
if (data->tag != nullptr && !data->tag->IsEmpty()) {
cmd = decoder_tag(data->decoder, data->input_stream,
data->tag);
std::move(*data->tag));
delete data->tag;
data->tag = new Tag();
} else

5
src/decoder/MadDecoderPlugin.cxx
View File

@ -1084,7 +1084,8 @@ MadDecoder::Read()
ret = DecodeNextFrameHeader(&tag);
if (tag != nullptr) {
decoder_tag(decoder, input_stream, tag);
decoder_tag(decoder, input_stream,
std::move(*tag));
delete tag;
}
} while (ret == DECODE_CONT);
@ -1142,7 +1143,7 @@ mp3_decode(struct decoder *decoder, struct input_stream *input_stream)
data.total_time);
if (tag != nullptr) {
decoder_tag(decoder, input_stream, tag);
decoder_tag(decoder, input_stream, std::move(*tag));
delete tag;
}

2
src/decoder/OpusDecoderPlugin.cxx
View File

@ -228,7 +228,7 @@ MPDOpusDecoder::HandleTags(const ogg_packet &packet)
if (ScanOpusTags(packet.packet, packet.bytes,
&add_tag_handler, &tag) &&
!tag.IsEmpty())
cmd = decoder_tag(decoder, input_stream, &tag);
cmd = decoder_tag(decoder, input_stream, std::move(tag));
else
cmd = decoder_get_command(decoder);

2
src/decoder/VorbisDecoderPlugin.cxx
View File

@ -158,7 +158,7 @@ vorbis_send_comments(struct decoder *decoder, struct input_stream *is,
if (!tag)
return;
decoder_tag(decoder, is, tag);
decoder_tag(decoder, is, std::move(*tag));
delete tag;
}

2
test/dump_playlist.cxx
View File

@ -106,7 +106,7 @@ decoder_data(G_GNUC_UNUSED struct decoder *decoder,
enum decoder_command
decoder_tag(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED struct input_stream *is,
G_GNUC_UNUSED const Tag *tag)
G_GNUC_UNUSED Tag &&tag)
{
return DECODE_COMMAND_NONE;
}

2
test/read_tags.cxx
View File

@ -92,7 +92,7 @@ decoder_data(G_GNUC_UNUSED struct decoder *decoder,
enum decoder_command
decoder_tag(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED struct input_stream *is,
G_GNUC_UNUSED const Tag *tag)
G_GNUC_UNUSED Tag &&tag)
{
return DECODE_COMMAND_NONE;
}

2
test/run_decoder.cxx
View File

@ -113,7 +113,7 @@ decoder_data(G_GNUC_UNUSED struct decoder *decoder,
enum decoder_command
decoder_tag(G_GNUC_UNUSED struct decoder *decoder,
G_GNUC_UNUSED struct input_stream *is,
G_GNUC_UNUSED const Tag *tag)
G_GNUC_UNUSED Tag &&tag)
{
return DECODE_COMMAND_NONE;
}